Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 1 | /* Return the initial module search path. */ |
| 2 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 3 | #include "Python.h" |
Victor Stinner | 871ff77 | 2019-05-17 23:54:00 +0200 | [diff] [blame] | 4 | #include "pycore_coreconfig.h" |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 5 | #include "osdefs.h" |
Victor Stinner | 9fc57a3 | 2018-11-07 00:44:03 +0100 | [diff] [blame] | 6 | #include "pycore_fileutils.h" |
Victor Stinner | a1c249c | 2018-11-01 03:15:58 +0100 | [diff] [blame] | 7 | #include "pycore_pathconfig.h" |
Victor Stinner | 621cebe | 2018-11-12 16:53:38 +0100 | [diff] [blame] | 8 | #include "pycore_pystate.h" |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 9 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 10 | #include <sys/types.h> |
Guido van Rossum | 21f8497 | 1997-06-02 22:18:31 +0000 | [diff] [blame] | 11 | #include <string.h> |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 12 | |
Brett Cannon | f6af76d | 2004-06-26 04:03:06 +0000 | [diff] [blame] | 13 | #ifdef __APPLE__ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 14 | # include <mach-o/dyld.h> |
Guido van Rossum | 54ecc3d | 1999-01-27 17:53:11 +0000 | [diff] [blame] | 15 | #endif |
| 16 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 17 | /* Search in some common locations for the associated Python libraries. |
| 18 | * |
| 19 | * Two directories must be found, the platform independent directory |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 20 | * (prefix), containing the common .py and .pyc files, and the platform |
| 21 | * dependent directory (exec_prefix), containing the shared library |
| 22 | * modules. Note that prefix and exec_prefix can be the same directory, |
| 23 | * but for some installations, they are different. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 24 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 25 | * Py_GetPath() carries out separate searches for prefix and exec_prefix. |
| 26 | * Each search tries a number of different locations until a ``landmark'' |
| 27 | * file or directory is found. If no prefix or exec_prefix is found, a |
| 28 | * warning message is issued and the preprocessor defined PREFIX and |
| 29 | * EXEC_PREFIX are used (even though they will not work); python carries on |
| 30 | * as best as is possible, but most imports will fail. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 31 | * |
| 32 | * Before any searches are done, the location of the executable is |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 33 | * determined. If argv[0] has one or more slashes in it, it is used |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 34 | * unchanged. Otherwise, it must have been invoked from the shell's path, |
| 35 | * so we search $PATH for the named executable and use that. If the |
| 36 | * executable was not found on $PATH (or there was no $PATH environment |
| 37 | * variable), the original argv[0] string is used. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 38 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 39 | * Next, the executable location is examined to see if it is a symbolic |
| 40 | * link. If so, the link is chased (correctly interpreting a relative |
| 41 | * pathname if one is found) and the directory of the link target is used. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 42 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 43 | * Finally, argv0_path is set to the directory containing the executable |
| 44 | * (i.e. the last component is stripped). |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 45 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 46 | * With argv0_path in hand, we perform a number of steps. The same steps |
| 47 | * are performed for prefix and for exec_prefix, but with a different |
| 48 | * landmark. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 49 | * |
| 50 | * Step 1. Are we running python out of the build directory? This is |
| 51 | * checked by looking for a different kind of landmark relative to |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 52 | * argv0_path. For prefix, the landmark's path is derived from the VPATH |
| 53 | * preprocessor variable (taking into account that its value is almost, but |
| 54 | * not quite, what we need). For exec_prefix, the landmark is |
Antoine Pitrou | eba57b6 | 2010-08-14 12:33:18 +0000 | [diff] [blame] | 55 | * pybuilddir.txt. If the landmark is found, we're done. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 56 | * |
| 57 | * For the remaining steps, the prefix landmark will always be |
Jeremy Hylton | 847a996 | 2000-05-26 21:49:07 +0000 | [diff] [blame] | 58 | * lib/python$VERSION/os.py and the exec_prefix will always be |
Guido van Rossum | 266033e | 1997-10-20 23:20:32 +0000 | [diff] [blame] | 59 | * lib/python$VERSION/lib-dynload, where $VERSION is Python's version |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 60 | * number as supplied by the Makefile. Note that this means that no more |
| 61 | * build directory checking is performed; if the first step did not find |
| 62 | * the landmarks, the assumption is that python is running from an |
| 63 | * installed setup. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 64 | * |
| 65 | * Step 2. See if the $PYTHONHOME environment variable points to the |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 66 | * installed location of the Python libraries. If $PYTHONHOME is set, then |
| 67 | * it points to prefix and exec_prefix. $PYTHONHOME can be a single |
| 68 | * directory, which is used for both, or the prefix and exec_prefix |
| 69 | * directories separated by a colon. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 70 | * |
| 71 | * Step 3. Try to find prefix and exec_prefix relative to argv0_path, |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 72 | * backtracking up the path until it is exhausted. This is the most common |
| 73 | * step to succeed. Note that if prefix and exec_prefix are different, |
| 74 | * exec_prefix is more likely to be found; however if exec_prefix is a |
| 75 | * subdirectory of prefix, both will be found. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 76 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 77 | * Step 4. Search the directories pointed to by the preprocessor variables |
| 78 | * PREFIX and EXEC_PREFIX. These are supplied by the Makefile but can be |
| 79 | * passed in as options to the configure script. |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 80 | * |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 81 | * That's it! |
| 82 | * |
| 83 | * Well, almost. Once we have determined prefix and exec_prefix, the |
Thomas Wouters | 7e47402 | 2000-07-16 12:04:32 +0000 | [diff] [blame] | 84 | * preprocessor variable PYTHONPATH is used to construct a path. Each |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 85 | * relative path on PYTHONPATH is prefixed with prefix. Then the directory |
| 86 | * containing the shared library modules is appended. The environment |
| 87 | * variable $PYTHONPATH is inserted in front of it all. Finally, the |
| 88 | * prefix and exec_prefix globals are tweaked so they reflect the values |
| 89 | * expected by other code, by stripping the "lib/python$VERSION/..." stuff |
| 90 | * off. If either points to the build directory, the globals are reset to |
| 91 | * the corresponding preprocessor variables (so sys.prefix will reflect the |
| 92 | * installation location, even though sys.path points into the build |
| 93 | * directory). This seems to make more sense given that currently the only |
| 94 | * known use of sys.prefix and sys.exec_prefix is for the ILU installation |
| 95 | * process to find the installed Python tree. |
Antoine Pitrou | eba57b6 | 2010-08-14 12:33:18 +0000 | [diff] [blame] | 96 | * |
Kristján Valur Jónsson | 3b69db2 | 2010-09-27 05:32:54 +0000 | [diff] [blame] | 97 | * An embedding application can use Py_SetPath() to override all of |
| 98 | * these authomatic path computations. |
| 99 | * |
Antoine Pitrou | eba57b6 | 2010-08-14 12:33:18 +0000 | [diff] [blame] | 100 | * NOTE: Windows MSVC builds use PC/getpathp.c instead! |
Barry Warsaw | 9012603 | 1997-04-11 20:27:03 +0000 | [diff] [blame] | 101 | */ |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 102 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 103 | #ifdef __cplusplus |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 104 | extern "C" { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 105 | #endif |
| 106 | |
| 107 | |
Benjamin Peterson | f585414 | 2016-06-02 12:41:35 -0700 | [diff] [blame] | 108 | #if !defined(PREFIX) || !defined(EXEC_PREFIX) || !defined(VERSION) || !defined(VPATH) |
| 109 | #error "PREFIX, EXEC_PREFIX, VERSION, and VPATH must be constant defined" |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 110 | #endif |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 111 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 112 | #ifndef LANDMARK |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 113 | #define LANDMARK L"os.py" |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 114 | #endif |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 115 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 116 | #define DECODE_LOCALE_ERR(NAME, LEN) \ |
| 117 | ((LEN) == (size_t)-2) \ |
Victor Stinner | db71975 | 2019-05-01 05:35:33 +0200 | [diff] [blame] | 118 | ? _Py_INIT_ERR("cannot decode " NAME) \ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 119 | : _Py_INIT_NO_MEMORY() |
| 120 | |
Victor Stinner | db71975 | 2019-05-01 05:35:33 +0200 | [diff] [blame] | 121 | #define PATHLEN_ERR() _Py_INIT_ERR("path configuration: path too long") |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 122 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 123 | typedef struct { |
| 124 | wchar_t *path_env; /* PATH environment variable */ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 125 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 126 | wchar_t *pythonpath; /* PYTHONPATH define */ |
| 127 | wchar_t *prefix; /* PREFIX define */ |
| 128 | wchar_t *exec_prefix; /* EXEC_PREFIX define */ |
| 129 | |
| 130 | wchar_t *lib_python; /* "lib/pythonX.Y" */ |
| 131 | wchar_t argv0_path[MAXPATHLEN+1]; |
| 132 | wchar_t zip_path[MAXPATHLEN+1]; /* ".../lib/pythonXY.zip" */ |
| 133 | |
| 134 | int prefix_found; /* found platform independent libraries? */ |
| 135 | int exec_prefix_found; /* found the platform dependent libraries? */ |
| 136 | } PyCalculatePath; |
| 137 | |
| 138 | static const wchar_t delimiter[2] = {DELIM, '\0'}; |
| 139 | static const wchar_t separator[2] = {SEP, '\0'}; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 140 | |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 141 | |
Victor Stinner | 91afbb6 | 2015-03-24 12:16:28 +0100 | [diff] [blame] | 142 | /* Get file status. Encode the path to the locale encoding. */ |
Victor Stinner | 91afbb6 | 2015-03-24 12:16:28 +0100 | [diff] [blame] | 143 | static int |
| 144 | _Py_wstat(const wchar_t* path, struct stat *buf) |
| 145 | { |
| 146 | int err; |
| 147 | char *fname; |
Victor Stinner | 9dd7620 | 2017-12-21 16:20:32 +0100 | [diff] [blame] | 148 | fname = _Py_EncodeLocaleRaw(path, NULL); |
Victor Stinner | 91afbb6 | 2015-03-24 12:16:28 +0100 | [diff] [blame] | 149 | if (fname == NULL) { |
| 150 | errno = EINVAL; |
| 151 | return -1; |
| 152 | } |
| 153 | err = stat(fname, buf); |
Victor Stinner | 9dd7620 | 2017-12-21 16:20:32 +0100 | [diff] [blame] | 154 | PyMem_RawFree(fname); |
Victor Stinner | 91afbb6 | 2015-03-24 12:16:28 +0100 | [diff] [blame] | 155 | return err; |
| 156 | } |
| 157 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 158 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 159 | static void |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 160 | reduce(wchar_t *dir) |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 161 | { |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 162 | size_t i = wcslen(dir); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 163 | while (i > 0 && dir[i] != SEP) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 164 | --i; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 165 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 166 | dir[i] = '\0'; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 167 | } |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 168 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 169 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 170 | /* Is file, not directory */ |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 171 | static int |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 172 | isfile(const wchar_t *filename) |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 173 | { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 174 | struct stat buf; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 175 | if (_Py_wstat(filename, &buf) != 0) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 176 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 177 | } |
| 178 | if (!S_ISREG(buf.st_mode)) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 179 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 180 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 181 | return 1; |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 185 | /* Is module -- check for .pyc too */ |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 186 | static int |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 187 | ismodule(wchar_t *filename, size_t filename_len) |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 188 | { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 189 | if (isfile(filename)) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 190 | return 1; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 191 | } |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 192 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 193 | /* Check for the compiled version of prefix. */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 194 | if (wcslen(filename) + 2 <= filename_len) { |
Brett Cannon | f299abd | 2015-04-13 14:21:02 -0400 | [diff] [blame] | 195 | wcscat(filename, L"c"); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 196 | if (isfile(filename)) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 197 | return 1; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 198 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 199 | } |
| 200 | return 0; |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 204 | /* Is executable file */ |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 205 | static int |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 206 | isxfile(const wchar_t *filename) |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 207 | { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 208 | struct stat buf; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 209 | if (_Py_wstat(filename, &buf) != 0) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 210 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 211 | } |
| 212 | if (!S_ISREG(buf.st_mode)) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 213 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 214 | } |
| 215 | if ((buf.st_mode & 0111) == 0) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 216 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 217 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 218 | return 1; |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 222 | /* Is directory */ |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 223 | static int |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 224 | isdir(wchar_t *filename) |
Guido van Rossum | d29806c | 1998-01-19 22:06:22 +0000 | [diff] [blame] | 225 | { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 226 | struct stat buf; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 227 | if (_Py_wstat(filename, &buf) != 0) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 228 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 229 | } |
| 230 | if (!S_ISDIR(buf.st_mode)) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 231 | return 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 232 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 233 | return 1; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | |
Tim Peters | ec8c5a9 | 2004-08-08 01:00:47 +0000 | [diff] [blame] | 237 | /* Add a path component, by appending stuff to buffer. |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 238 | buflen: 'buffer' length in characters including trailing NUL. */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 239 | static _PyInitError |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 240 | joinpath(wchar_t *buffer, const wchar_t *stuff, size_t buflen) |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 241 | { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 242 | size_t n, k; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 243 | if (stuff[0] != SEP) { |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 244 | n = wcslen(buffer); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 245 | if (n >= buflen) { |
| 246 | return PATHLEN_ERR(); |
| 247 | } |
| 248 | |
| 249 | if (n > 0 && buffer[n-1] != SEP) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 250 | buffer[n++] = SEP; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 251 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 252 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 253 | else { |
| 254 | n = 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 255 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 256 | |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 257 | k = wcslen(stuff); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 258 | if (n + k >= buflen) { |
| 259 | return PATHLEN_ERR(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 260 | } |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 261 | wcsncpy(buffer+n, stuff, k); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 262 | buffer[n+k] = '\0'; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 263 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 264 | return _Py_INIT_OK(); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 265 | } |
| 266 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 267 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 268 | static inline int |
| 269 | safe_wcscpy(wchar_t *dst, const wchar_t *src, size_t n) |
| 270 | { |
| 271 | size_t srclen = wcslen(src); |
| 272 | if (n <= srclen) { |
| 273 | dst[0] = L'\0'; |
| 274 | return -1; |
| 275 | } |
| 276 | memcpy(dst, src, (srclen + 1) * sizeof(wchar_t)); |
| 277 | return 0; |
| 278 | } |
| 279 | |
| 280 | |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 281 | /* copy_absolute requires that path be allocated at least |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 282 | 'pathlen' characters (including trailing NUL). */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 283 | static _PyInitError |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 284 | copy_absolute(wchar_t *path, const wchar_t *p, size_t pathlen) |
Jeremy Hylton | 7198ba9 | 2000-09-25 17:00:24 +0000 | [diff] [blame] | 285 | { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 286 | if (p[0] == SEP) { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 287 | if (safe_wcscpy(path, p, pathlen) < 0) { |
| 288 | return PATHLEN_ERR(); |
| 289 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 290 | } |
Jeremy Hylton | 7198ba9 | 2000-09-25 17:00:24 +0000 | [diff] [blame] | 291 | else { |
Victor Stinner | f4061da | 2010-10-14 12:37:19 +0000 | [diff] [blame] | 292 | if (!_Py_wgetcwd(path, pathlen)) { |
Victor Stinner | 4f3abb0 | 2010-10-07 23:29:18 +0000 | [diff] [blame] | 293 | /* unable to get the current directory */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 294 | if (safe_wcscpy(path, p, pathlen) < 0) { |
| 295 | return PATHLEN_ERR(); |
| 296 | } |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 297 | return _Py_INIT_OK(); |
Victor Stinner | 4f3abb0 | 2010-10-07 23:29:18 +0000 | [diff] [blame] | 298 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 299 | if (p[0] == '.' && p[1] == SEP) { |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 300 | p += 2; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 301 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 302 | _PyInitError err = joinpath(path, p, pathlen); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 303 | if (_Py_INIT_FAILED(err)) { |
| 304 | return err; |
| 305 | } |
Jeremy Hylton | 7198ba9 | 2000-09-25 17:00:24 +0000 | [diff] [blame] | 306 | } |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 307 | return _Py_INIT_OK(); |
Jeremy Hylton | 7198ba9 | 2000-09-25 17:00:24 +0000 | [diff] [blame] | 308 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 309 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 310 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 311 | /* path_len: path length in characters including trailing NUL */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 312 | static _PyInitError |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 313 | absolutize(wchar_t *path, size_t path_len) |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 314 | { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 315 | if (path[0] == SEP) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 316 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 317 | } |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 318 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 319 | wchar_t abs_path[MAXPATHLEN+1]; |
| 320 | _PyInitError err = copy_absolute(abs_path, path, Py_ARRAY_LENGTH(abs_path)); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 321 | if (_Py_INIT_FAILED(err)) { |
| 322 | return err; |
| 323 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 324 | |
| 325 | if (safe_wcscpy(path, abs_path, path_len) < 0) { |
| 326 | return PATHLEN_ERR(); |
| 327 | } |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 328 | return _Py_INIT_OK(); |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 329 | } |
| 330 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 331 | |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 332 | #if defined(__CYGWIN__) || defined(__MINGW32__) |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 333 | #ifndef EXE_SUFFIX |
| 334 | #define EXE_SUFFIX L".exe" |
| 335 | #endif |
| 336 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 337 | /* pathlen: 'path' length in characters including trailing NUL */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 338 | static _PyInitError |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 339 | add_exe_suffix(wchar_t *progpath, size_t progpathlen) |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 340 | { |
| 341 | /* Check for already have an executable suffix */ |
| 342 | size_t n = wcslen(progpath); |
| 343 | size_t s = wcslen(EXE_SUFFIX); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 344 | if (wcsncasecmp(EXE_SUFFIX, progpath + n - s, s) == 0) { |
| 345 | return _Py_INIT_OK(); |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 346 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 347 | |
| 348 | if (n + s >= progpathlen) { |
| 349 | return PATHLEN_ERR(); |
| 350 | } |
| 351 | wcsncpy(progpath + n, EXE_SUFFIX, s); |
| 352 | progpath[n+s] = '\0'; |
| 353 | |
| 354 | if (!isxfile(progpath)) { |
| 355 | /* Path that added suffix is invalid: truncate (remove suffix) */ |
| 356 | progpath[n] = '\0'; |
| 357 | } |
| 358 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 359 | return _Py_INIT_OK(); |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 360 | } |
| 361 | #endif |
| 362 | |
| 363 | |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 364 | /* search_for_prefix requires that argv0_path be no more than MAXPATHLEN |
Jeremy Hylton | 6372fe1 | 2000-09-27 20:51:17 +0000 | [diff] [blame] | 365 | bytes long. |
| 366 | */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 367 | static _PyInitError |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 368 | search_for_prefix(const _PyCoreConfig *core_config, PyCalculatePath *calculate, |
| 369 | wchar_t *prefix, size_t prefix_len, |
| 370 | int *found) |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 371 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 372 | _PyInitError err; |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 373 | size_t n; |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 374 | wchar_t *vpath; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 375 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 376 | /* If PYTHONHOME is set, we believe it unconditionally */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 377 | if (core_config->home) { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 378 | if (safe_wcscpy(prefix, core_config->home, prefix_len) < 0) { |
| 379 | return PATHLEN_ERR(); |
| 380 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 381 | wchar_t *delim = wcschr(prefix, DELIM); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 382 | if (delim) { |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 383 | *delim = L'\0'; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 384 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 385 | err = joinpath(prefix, calculate->lib_python, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 386 | if (_Py_INIT_FAILED(err)) { |
| 387 | return err; |
| 388 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 389 | err = joinpath(prefix, LANDMARK, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 390 | if (_Py_INIT_FAILED(err)) { |
| 391 | return err; |
| 392 | } |
| 393 | *found = 1; |
| 394 | return _Py_INIT_OK(); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 395 | } |
Jeremy Hylton | 847a996 | 2000-05-26 21:49:07 +0000 | [diff] [blame] | 396 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 397 | /* Check to see if argv[0] is in the build directory */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 398 | if (safe_wcscpy(prefix, calculate->argv0_path, prefix_len) < 0) { |
| 399 | return PATHLEN_ERR(); |
| 400 | } |
| 401 | err = joinpath(prefix, L"Modules/Setup.local", prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 402 | if (_Py_INIT_FAILED(err)) { |
| 403 | return err; |
| 404 | } |
| 405 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 406 | if (isfile(prefix)) { |
Neil Schemenauer | 6cf0702 | 2001-01-24 17:13:11 +0000 | [diff] [blame] | 407 | /* Check VPATH to see if argv0_path is in the build directory. */ |
Victor Stinner | f6a271a | 2014-08-01 12:28:48 +0200 | [diff] [blame] | 408 | vpath = Py_DecodeLocale(VPATH, NULL); |
Victor Stinner | 2158231 | 2010-10-23 00:13:28 +0000 | [diff] [blame] | 409 | if (vpath != NULL) { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 410 | if (safe_wcscpy(prefix, calculate->argv0_path, prefix_len) < 0) { |
| 411 | return PATHLEN_ERR(); |
| 412 | } |
| 413 | err = joinpath(prefix, vpath, prefix_len); |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 414 | PyMem_RawFree(vpath); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 415 | if (_Py_INIT_FAILED(err)) { |
| 416 | return err; |
| 417 | } |
| 418 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 419 | err = joinpath(prefix, L"Lib", prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 420 | if (_Py_INIT_FAILED(err)) { |
| 421 | return err; |
| 422 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 423 | err = joinpath(prefix, LANDMARK, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 424 | if (_Py_INIT_FAILED(err)) { |
| 425 | return err; |
| 426 | } |
| 427 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 428 | if (ismodule(prefix, prefix_len)) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 429 | *found = -1; |
| 430 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 431 | } |
Victor Stinner | 2158231 | 2010-10-23 00:13:28 +0000 | [diff] [blame] | 432 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 433 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 434 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 435 | /* Search from argv0_path, until root is found */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 436 | err = copy_absolute(prefix, calculate->argv0_path, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 437 | if (_Py_INIT_FAILED(err)) { |
| 438 | return err; |
| 439 | } |
| 440 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 441 | do { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 442 | n = wcslen(prefix); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 443 | err = joinpath(prefix, calculate->lib_python, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 444 | if (_Py_INIT_FAILED(err)) { |
| 445 | return err; |
| 446 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 447 | err = joinpath(prefix, LANDMARK, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 448 | if (_Py_INIT_FAILED(err)) { |
| 449 | return err; |
| 450 | } |
| 451 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 452 | if (ismodule(prefix, prefix_len)) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 453 | *found = 1; |
| 454 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 455 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 456 | prefix[n] = L'\0'; |
| 457 | reduce(prefix); |
| 458 | } while (prefix[0]); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 459 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 460 | /* Look at configure's PREFIX */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 461 | if (safe_wcscpy(prefix, calculate->prefix, prefix_len) < 0) { |
| 462 | return PATHLEN_ERR(); |
| 463 | } |
| 464 | err = joinpath(prefix, calculate->lib_python, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 465 | if (_Py_INIT_FAILED(err)) { |
| 466 | return err; |
| 467 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 468 | err = joinpath(prefix, LANDMARK, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 469 | if (_Py_INIT_FAILED(err)) { |
| 470 | return err; |
| 471 | } |
| 472 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 473 | if (ismodule(prefix, prefix_len)) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 474 | *found = 1; |
| 475 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 476 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 477 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 478 | /* Fail */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 479 | *found = 0; |
| 480 | return _Py_INIT_OK(); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 481 | } |
| 482 | |
| 483 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 484 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 485 | calculate_prefix(const _PyCoreConfig *core_config, |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 486 | PyCalculatePath *calculate, wchar_t *prefix, size_t prefix_len) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 487 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 488 | _PyInitError err; |
| 489 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 490 | err = search_for_prefix(core_config, calculate, prefix, prefix_len, |
| 491 | &calculate->prefix_found); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 492 | if (_Py_INIT_FAILED(err)) { |
| 493 | return err; |
| 494 | } |
| 495 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 496 | if (!calculate->prefix_found) { |
Victor Stinner | 9ef5dca | 2019-05-16 17:38:16 +0200 | [diff] [blame] | 497 | if (core_config->pathconfig_warnings) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 498 | fprintf(stderr, |
| 499 | "Could not find platform independent libraries <prefix>\n"); |
| 500 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 501 | if (safe_wcscpy(prefix, calculate->prefix, prefix_len) < 0) { |
| 502 | return PATHLEN_ERR(); |
| 503 | } |
| 504 | err = joinpath(prefix, calculate->lib_python, prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 505 | if (_Py_INIT_FAILED(err)) { |
| 506 | return err; |
| 507 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 508 | } |
| 509 | else { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 510 | reduce(prefix); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 511 | } |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 512 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 516 | static _PyInitError |
| 517 | calculate_reduce_prefix(PyCalculatePath *calculate, |
| 518 | wchar_t *prefix, size_t prefix_len) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 519 | { |
| 520 | /* Reduce prefix and exec_prefix to their essence, |
| 521 | * e.g. /usr/local/lib/python1.5 is reduced to /usr/local. |
| 522 | * If we're loading relative to the build directory, |
| 523 | * return the compiled-in defaults instead. |
| 524 | */ |
| 525 | if (calculate->prefix_found > 0) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 526 | reduce(prefix); |
| 527 | reduce(prefix); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 528 | /* The prefix is the root directory, but reduce() chopped |
| 529 | * off the "/". */ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 530 | if (!prefix[0]) { |
| 531 | wcscpy(prefix, separator); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 532 | } |
| 533 | } |
| 534 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 535 | if (safe_wcscpy(prefix, calculate->prefix, prefix_len) < 0) { |
| 536 | return PATHLEN_ERR(); |
| 537 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 538 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 539 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 540 | } |
| 541 | |
| 542 | |
Jeremy Hylton | 6372fe1 | 2000-09-27 20:51:17 +0000 | [diff] [blame] | 543 | /* search_for_exec_prefix requires that argv0_path be no more than |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 544 | MAXPATHLEN bytes long. |
Jeremy Hylton | 6372fe1 | 2000-09-27 20:51:17 +0000 | [diff] [blame] | 545 | */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 546 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 547 | search_for_exec_prefix(const _PyCoreConfig *core_config, |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 548 | PyCalculatePath *calculate, |
| 549 | wchar_t *exec_prefix, size_t exec_prefix_len, |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 550 | int *found) |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 551 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 552 | _PyInitError err; |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 553 | size_t n; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 554 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 555 | /* If PYTHONHOME is set, we believe it unconditionally */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 556 | if (core_config->home) { |
| 557 | wchar_t *delim = wcschr(core_config->home, DELIM); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 558 | if (delim) { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 559 | if (safe_wcscpy(exec_prefix, delim+1, exec_prefix_len) < 0) { |
| 560 | return PATHLEN_ERR(); |
| 561 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 562 | } |
| 563 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 564 | if (safe_wcscpy(exec_prefix, core_config->home, exec_prefix_len) < 0) { |
| 565 | return PATHLEN_ERR(); |
| 566 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 567 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 568 | err = joinpath(exec_prefix, calculate->lib_python, exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 569 | if (_Py_INIT_FAILED(err)) { |
| 570 | return err; |
| 571 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 572 | err = joinpath(exec_prefix, L"lib-dynload", exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 573 | if (_Py_INIT_FAILED(err)) { |
| 574 | return err; |
| 575 | } |
| 576 | *found = 1; |
| 577 | return _Py_INIT_OK(); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 578 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 579 | |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 580 | /* Check to see if argv[0] is in the build directory. "pybuilddir.txt" |
| 581 | is written by setup.py and contains the relative path to the location |
| 582 | of shared library modules. */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 583 | if (safe_wcscpy(exec_prefix, calculate->argv0_path, exec_prefix_len) < 0) { |
| 584 | return PATHLEN_ERR(); |
| 585 | } |
| 586 | err = joinpath(exec_prefix, L"pybuilddir.txt", exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 587 | if (_Py_INIT_FAILED(err)) { |
| 588 | return err; |
| 589 | } |
| 590 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 591 | if (isfile(exec_prefix)) { |
| 592 | FILE *f = _Py_wfopen(exec_prefix, L"rb"); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 593 | if (f == NULL) { |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 594 | errno = 0; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 595 | } |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 596 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 597 | char buf[MAXPATHLEN + 1]; |
| 598 | n = fread(buf, 1, Py_ARRAY_LENGTH(buf) - 1, f); |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 599 | buf[n] = '\0'; |
| 600 | fclose(f); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 601 | |
Victor Stinner | 5f9cf23 | 2019-03-19 01:46:25 +0100 | [diff] [blame] | 602 | wchar_t *pybuilddir; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 603 | size_t dec_len; |
Victor Stinner | 5f9cf23 | 2019-03-19 01:46:25 +0100 | [diff] [blame] | 604 | pybuilddir = _Py_DecodeUTF8_surrogateescape(buf, n, &dec_len); |
| 605 | if (!pybuilddir) { |
| 606 | return DECODE_LOCALE_ERR("pybuilddir.txt", dec_len); |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 607 | } |
Victor Stinner | 5f9cf23 | 2019-03-19 01:46:25 +0100 | [diff] [blame] | 608 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 609 | if (safe_wcscpy(exec_prefix, calculate->argv0_path, exec_prefix_len) < 0) { |
| 610 | return PATHLEN_ERR(); |
| 611 | } |
| 612 | err = joinpath(exec_prefix, pybuilddir, exec_prefix_len); |
Victor Stinner | 5f9cf23 | 2019-03-19 01:46:25 +0100 | [diff] [blame] | 613 | PyMem_RawFree(pybuilddir ); |
| 614 | if (_Py_INIT_FAILED(err)) { |
| 615 | return err; |
| 616 | } |
| 617 | |
| 618 | *found = -1; |
| 619 | return _Py_INIT_OK(); |
Antoine Pitrou | e9b428f | 2010-08-13 22:25:01 +0000 | [diff] [blame] | 620 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 621 | } |
Jeremy Hylton | 847a996 | 2000-05-26 21:49:07 +0000 | [diff] [blame] | 622 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 623 | /* Search from argv0_path, until root is found */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 624 | err = copy_absolute(exec_prefix, calculate->argv0_path, exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 625 | if (_Py_INIT_FAILED(err)) { |
| 626 | return err; |
| 627 | } |
| 628 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 629 | do { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 630 | n = wcslen(exec_prefix); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 631 | err = joinpath(exec_prefix, calculate->lib_python, exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 632 | if (_Py_INIT_FAILED(err)) { |
| 633 | return err; |
| 634 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 635 | err = joinpath(exec_prefix, L"lib-dynload", exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 636 | if (_Py_INIT_FAILED(err)) { |
| 637 | return err; |
| 638 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 639 | if (isdir(exec_prefix)) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 640 | *found = 1; |
| 641 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 642 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 643 | exec_prefix[n] = L'\0'; |
| 644 | reduce(exec_prefix); |
| 645 | } while (exec_prefix[0]); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 646 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 647 | /* Look at configure's EXEC_PREFIX */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 648 | if (safe_wcscpy(exec_prefix, calculate->exec_prefix, exec_prefix_len) < 0) { |
| 649 | return PATHLEN_ERR(); |
| 650 | } |
| 651 | err = joinpath(exec_prefix, calculate->lib_python, exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 652 | if (_Py_INIT_FAILED(err)) { |
| 653 | return err; |
| 654 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 655 | err = joinpath(exec_prefix, L"lib-dynload", exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 656 | if (_Py_INIT_FAILED(err)) { |
| 657 | return err; |
| 658 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 659 | if (isdir(exec_prefix)) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 660 | *found = 1; |
| 661 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 662 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 663 | |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 664 | /* Fail */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 665 | *found = 0; |
| 666 | return _Py_INIT_OK(); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 667 | } |
| 668 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 669 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 670 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 671 | calculate_exec_prefix(const _PyCoreConfig *core_config, |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 672 | PyCalculatePath *calculate, |
| 673 | wchar_t *exec_prefix, size_t exec_prefix_len) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 674 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 675 | _PyInitError err; |
| 676 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 677 | err = search_for_exec_prefix(core_config, calculate, |
| 678 | exec_prefix, exec_prefix_len, |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 679 | &calculate->exec_prefix_found); |
| 680 | if (_Py_INIT_FAILED(err)) { |
| 681 | return err; |
| 682 | } |
| 683 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 684 | if (!calculate->exec_prefix_found) { |
Victor Stinner | 9ef5dca | 2019-05-16 17:38:16 +0200 | [diff] [blame] | 685 | if (core_config->pathconfig_warnings) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 686 | fprintf(stderr, |
| 687 | "Could not find platform dependent libraries <exec_prefix>\n"); |
| 688 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 689 | if (safe_wcscpy(exec_prefix, calculate->exec_prefix, exec_prefix_len) < 0) { |
| 690 | return PATHLEN_ERR(); |
| 691 | } |
| 692 | err = joinpath(exec_prefix, L"lib/lib-dynload", exec_prefix_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 693 | if (_Py_INIT_FAILED(err)) { |
| 694 | return err; |
| 695 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 696 | } |
| 697 | /* If we found EXEC_PREFIX do *not* reduce it! (Yet.) */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 698 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 702 | static _PyInitError |
| 703 | calculate_reduce_exec_prefix(PyCalculatePath *calculate, |
| 704 | wchar_t *exec_prefix, size_t exec_prefix_len) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 705 | { |
| 706 | if (calculate->exec_prefix_found > 0) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 707 | reduce(exec_prefix); |
| 708 | reduce(exec_prefix); |
| 709 | reduce(exec_prefix); |
| 710 | if (!exec_prefix[0]) { |
| 711 | wcscpy(exec_prefix, separator); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 715 | if (safe_wcscpy(exec_prefix, calculate->exec_prefix, exec_prefix_len) < 0) { |
| 716 | return PATHLEN_ERR(); |
| 717 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 718 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 719 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 723 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 724 | calculate_program_full_path(const _PyCoreConfig *core_config, |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 725 | PyCalculatePath *calculate, _PyPathConfig *config) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 726 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 727 | _PyInitError err; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 728 | wchar_t program_full_path[MAXPATHLEN + 1]; |
| 729 | const size_t program_full_path_len = Py_ARRAY_LENGTH(program_full_path); |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 730 | memset(program_full_path, 0, sizeof(program_full_path)); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 731 | |
Victor Stinner | b919795 | 2017-11-23 19:02:04 +0100 | [diff] [blame] | 732 | #ifdef __APPLE__ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 733 | char execpath[MAXPATHLEN + 1]; |
Victor Stinner | b919795 | 2017-11-23 19:02:04 +0100 | [diff] [blame] | 734 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 735 | uint32_t nsexeclength = Py_ARRAY_LENGTH(execpath) - 1; |
Victor Stinner | b919795 | 2017-11-23 19:02:04 +0100 | [diff] [blame] | 736 | #else |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 737 | unsigned long nsexeclength = Py_ARRAY_LENGTH(execpath) - 1; |
Victor Stinner | b919795 | 2017-11-23 19:02:04 +0100 | [diff] [blame] | 738 | #endif |
Victor Stinner | b919795 | 2017-11-23 19:02:04 +0100 | [diff] [blame] | 739 | #endif |
| 740 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 741 | /* If there is no slash in the argv0 path, then we have to |
| 742 | * assume python is on the user's $PATH, since there's no |
| 743 | * other way to find a directory to start the search from. If |
| 744 | * $PATH isn't exported, you lose. |
| 745 | */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 746 | if (wcschr(core_config->program_name, SEP)) { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 747 | if (safe_wcscpy(program_full_path, core_config->program_name, |
| 748 | program_full_path_len) < 0) { |
| 749 | return PATHLEN_ERR(); |
| 750 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 751 | } |
Jack Jansen | 1afd480 | 2004-06-03 14:33:03 +0000 | [diff] [blame] | 752 | #ifdef __APPLE__ |
Jack Jansen | 1afd480 | 2004-06-03 14:33:03 +0000 | [diff] [blame] | 753 | /* On Mac OS X, if a script uses an interpreter of the form |
| 754 | * "#!/opt/python2.3/bin/python", the kernel only passes "python" |
| 755 | * as argv[0], which falls through to the $PATH search below. |
| 756 | * If /opt/python2.3/bin isn't in your path, or is near the end, |
| 757 | * this algorithm may incorrectly find /usr/bin/python. To work |
| 758 | * around this, we can use _NSGetExecutablePath to get a better |
| 759 | * hint of what the intended interpreter was, although this |
| 760 | * will fail if a relative path was used. but in that case, |
| 761 | * absolutize() should help us out below |
| 762 | */ |
Victor Stinner | f04ebe2 | 2017-11-25 00:01:23 +0100 | [diff] [blame] | 763 | else if(0 == _NSGetExecutablePath(execpath, &nsexeclength) && |
| 764 | execpath[0] == SEP) |
| 765 | { |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 766 | size_t len; |
| 767 | wchar_t *path = Py_DecodeLocale(execpath, &len); |
| 768 | if (path == NULL) { |
| 769 | return DECODE_LOCALE_ERR("executable path", len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 770 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 771 | if (safe_wcscpy(program_full_path, path, program_full_path_len) < 0) { |
| 772 | PyMem_RawFree(path); |
| 773 | return PATHLEN_ERR(); |
| 774 | } |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 775 | PyMem_RawFree(path); |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 776 | } |
Brett Cannon | 6cc4814 | 2004-06-24 00:48:44 +0000 | [diff] [blame] | 777 | #endif /* __APPLE__ */ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 778 | else if (calculate->path_env) { |
| 779 | wchar_t *path = calculate->path_env; |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 780 | while (1) { |
| 781 | wchar_t *delim = wcschr(path, DELIM); |
Jack Jansen | 55070f5 | 2001-12-02 23:56:28 +0000 | [diff] [blame] | 782 | |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 783 | if (delim) { |
| 784 | size_t len = delim - path; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 785 | if (len >= program_full_path_len) { |
| 786 | return PATHLEN_ERR(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 787 | } |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 788 | wcsncpy(program_full_path, path, len); |
| 789 | program_full_path[len] = '\0'; |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 790 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 791 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 792 | if (safe_wcscpy(program_full_path, path, |
| 793 | program_full_path_len) < 0) { |
| 794 | return PATHLEN_ERR(); |
| 795 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 796 | } |
Jack Jansen | 55070f5 | 2001-12-02 23:56:28 +0000 | [diff] [blame] | 797 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 798 | err = joinpath(program_full_path, core_config->program_name, |
| 799 | program_full_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 800 | if (_Py_INIT_FAILED(err)) { |
| 801 | return err; |
| 802 | } |
| 803 | |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 804 | if (isxfile(program_full_path)) { |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 805 | break; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 806 | } |
Jack Jansen | 55070f5 | 2001-12-02 23:56:28 +0000 | [diff] [blame] | 807 | |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 808 | if (!delim) { |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 809 | program_full_path[0] = L'\0'; |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 810 | break; |
| 811 | } |
| 812 | path = delim + 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 813 | } |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 814 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 815 | else { |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 816 | program_full_path[0] = '\0'; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 817 | } |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 818 | if (program_full_path[0] != SEP && program_full_path[0] != '\0') { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 819 | err = absolutize(program_full_path, program_full_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 820 | if (_Py_INIT_FAILED(err)) { |
| 821 | return err; |
| 822 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 823 | } |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 824 | #if defined(__CYGWIN__) || defined(__MINGW32__) |
| 825 | /* For these platforms it is necessary to ensure that the .exe suffix |
| 826 | * is appended to the filename, otherwise there is potential for |
| 827 | * sys.executable to return the name of a directory under the same |
| 828 | * path (bpo-28441). |
| 829 | */ |
| 830 | if (program_full_path[0] != '\0') { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 831 | err = add_exe_suffix(program_full_path, program_full_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 832 | if (_Py_INIT_FAILED(err)) { |
| 833 | return err; |
| 834 | } |
E. M. Bray | 7a7693e | 2018-10-05 13:38:50 +0200 | [diff] [blame] | 835 | } |
| 836 | #endif |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 837 | |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 838 | config->program_full_path = _PyMem_RawWcsdup(program_full_path); |
| 839 | if (config->program_full_path == NULL) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 840 | return _Py_INIT_NO_MEMORY(); |
| 841 | } |
| 842 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 846 | static _PyInitError |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 847 | calculate_argv0_path(PyCalculatePath *calculate, const wchar_t *program_full_path) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 848 | { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 849 | const size_t argv0_path_len = Py_ARRAY_LENGTH(calculate->argv0_path); |
| 850 | if (safe_wcscpy(calculate->argv0_path, program_full_path, argv0_path_len) < 0) { |
| 851 | return PATHLEN_ERR(); |
| 852 | } |
Jack Jansen | 55070f5 | 2001-12-02 23:56:28 +0000 | [diff] [blame] | 853 | |
Guido van Rossum | 54ecc3d | 1999-01-27 17:53:11 +0000 | [diff] [blame] | 854 | #ifdef WITH_NEXT_FRAMEWORK |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 855 | NSModule pythonModule; |
| 856 | |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 857 | /* On Mac OS X we have a special case if we're running from a framework. |
| 858 | ** This is because the python home should be set relative to the library, |
| 859 | ** which is in the framework, not relative to the executable, which may |
| 860 | ** be outside of the framework. Except when we're in the build directory... |
| 861 | */ |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 862 | pythonModule = NSModuleForSymbol(NSLookupAndBindSymbol("_Py_Initialize")); |
| 863 | /* Use dylib functions to find out where the framework was loaded from */ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 864 | const char* modPath = NSLibraryNameForModule(pythonModule); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 865 | if (modPath != NULL) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 866 | /* We're in a framework. */ |
Jack Jansen | e925faf | 2001-08-15 01:14:40 +0000 | [diff] [blame] | 867 | /* See if we might be in the build directory. The framework in the |
| 868 | ** build directory is incomplete, it only has the .dylib and a few |
| 869 | ** needed symlinks, it doesn't have the Lib directories and such. |
| 870 | ** If we're running with the framework from the build directory we must |
| 871 | ** be running the interpreter in the build directory, so we use the |
| 872 | ** build-directory-specific logic to find Lib and such. |
| 873 | */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 874 | _PyInitError err; |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 875 | size_t len; |
| 876 | wchar_t* wbuf = Py_DecodeLocale(modPath, &len); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 877 | if (wbuf == NULL) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 878 | return DECODE_LOCALE_ERR("framework location", len); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 879 | } |
| 880 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 881 | if (safe_wcscpy(calculate->argv0_path, wbuf, argv0_path_len) < 0) { |
| 882 | return PATHLEN_ERR(); |
| 883 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 884 | reduce(calculate->argv0_path); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 885 | err = joinpath(calculate->argv0_path, calculate->lib_python, argv0_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 886 | if (_Py_INIT_FAILED(err)) { |
| 887 | PyMem_RawFree(wbuf); |
| 888 | return err; |
| 889 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 890 | err = joinpath(calculate->argv0_path, LANDMARK, argv0_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 891 | if (_Py_INIT_FAILED(err)) { |
| 892 | PyMem_RawFree(wbuf); |
| 893 | return err; |
| 894 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 895 | if (!ismodule(calculate->argv0_path, |
| 896 | Py_ARRAY_LENGTH(calculate->argv0_path))) { |
Antoine Pitrou | 99773ac | 2010-08-14 12:34:41 +0000 | [diff] [blame] | 897 | /* We are in the build directory so use the name of the |
| 898 | executable - we know that the absolute path is passed */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 899 | if (safe_wcscpy(calculate->argv0_path, program_full_path, |
| 900 | argv0_path_len) < 0) { |
| 901 | return PATHLEN_ERR(); |
| 902 | } |
Jack Jansen | e925faf | 2001-08-15 01:14:40 +0000 | [diff] [blame] | 903 | } |
| 904 | else { |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 905 | /* Use the location of the library as the program_full_path */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 906 | if (safe_wcscpy(calculate->argv0_path, wbuf, argv0_path_len) < 0) { |
| 907 | return PATHLEN_ERR(); |
| 908 | } |
Jack Jansen | e925faf | 2001-08-15 01:14:40 +0000 | [diff] [blame] | 909 | } |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 910 | PyMem_RawFree(wbuf); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 911 | } |
Guido van Rossum | 54ecc3d | 1999-01-27 17:53:11 +0000 | [diff] [blame] | 912 | #endif |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 913 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 914 | #if HAVE_READLINK |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 915 | wchar_t tmpbuffer[MAXPATHLEN + 1]; |
| 916 | const size_t buflen = Py_ARRAY_LENGTH(tmpbuffer); |
| 917 | int linklen = _Py_wreadlink(program_full_path, tmpbuffer, buflen); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 918 | while (linklen != -1) { |
| 919 | if (tmpbuffer[0] == SEP) { |
| 920 | /* tmpbuffer should never be longer than MAXPATHLEN, |
| 921 | but extra check does not hurt */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 922 | if (safe_wcscpy(calculate->argv0_path, tmpbuffer, argv0_path_len) < 0) { |
| 923 | return PATHLEN_ERR(); |
| 924 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 925 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 926 | else { |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 927 | /* Interpret relative to program_full_path */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 928 | _PyInitError err; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 929 | reduce(calculate->argv0_path); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 930 | err = joinpath(calculate->argv0_path, tmpbuffer, argv0_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 931 | if (_Py_INIT_FAILED(err)) { |
| 932 | return err; |
| 933 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 934 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 935 | linklen = _Py_wreadlink(calculate->argv0_path, tmpbuffer, buflen); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 936 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 937 | #endif /* HAVE_READLINK */ |
| 938 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 939 | reduce(calculate->argv0_path); |
Jeremy Hylton | 6372fe1 | 2000-09-27 20:51:17 +0000 | [diff] [blame] | 940 | /* At this point, argv0_path is guaranteed to be less than |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 941 | MAXPATHLEN bytes long. */ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 942 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 943 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 944 | |
Vinay Sajip | 7ded1f0 | 2012-05-26 03:45:29 +0100 | [diff] [blame] | 945 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 946 | /* Search for an "pyvenv.cfg" environment configuration file, first in the |
| 947 | executable's directory and then in the parent directory. |
| 948 | If found, open it for use when searching for prefixes. |
| 949 | */ |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 950 | static _PyInitError |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 951 | calculate_read_pyenv(PyCalculatePath *calculate) |
| 952 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 953 | _PyInitError err; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 954 | wchar_t tmpbuffer[MAXPATHLEN+1]; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 955 | const size_t buflen = Py_ARRAY_LENGTH(tmpbuffer); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 956 | wchar_t *env_cfg = L"pyvenv.cfg"; |
| 957 | FILE *env_file; |
Vinay Sajip | 7ded1f0 | 2012-05-26 03:45:29 +0100 | [diff] [blame] | 958 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 959 | if (safe_wcscpy(tmpbuffer, calculate->argv0_path, buflen) < 0) { |
| 960 | return PATHLEN_ERR(); |
| 961 | } |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 962 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 963 | err = joinpath(tmpbuffer, env_cfg, buflen); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 964 | if (_Py_INIT_FAILED(err)) { |
| 965 | return err; |
| 966 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 967 | env_file = _Py_wfopen(tmpbuffer, L"r"); |
| 968 | if (env_file == NULL) { |
| 969 | errno = 0; |
| 970 | |
| 971 | reduce(tmpbuffer); |
| 972 | reduce(tmpbuffer); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 973 | err = joinpath(tmpbuffer, env_cfg, buflen); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 974 | if (_Py_INIT_FAILED(err)) { |
| 975 | return err; |
| 976 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 977 | |
Vinay Sajip | 7ded1f0 | 2012-05-26 03:45:29 +0100 | [diff] [blame] | 978 | env_file = _Py_wfopen(tmpbuffer, L"r"); |
| 979 | if (env_file == NULL) { |
| 980 | errno = 0; |
Vinay Sajip | 7ded1f0 | 2012-05-26 03:45:29 +0100 | [diff] [blame] | 981 | } |
| 982 | } |
| 983 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 984 | if (env_file == NULL) { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 985 | return _Py_INIT_OK(); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 986 | } |
Guido van Rossum | e296ced | 2001-09-28 20:00:29 +0000 | [diff] [blame] | 987 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 988 | /* Look for a 'home' variable and set argv0_path to it, if found */ |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 989 | if (_Py_FindEnvConfigValue(env_file, L"home", tmpbuffer, buflen)) { |
| 990 | if (safe_wcscpy(calculate->argv0_path, tmpbuffer, |
| 991 | Py_ARRAY_LENGTH(calculate->argv0_path)) < 0) { |
| 992 | return PATHLEN_ERR(); |
| 993 | } |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 994 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 995 | fclose(env_file); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 996 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 997 | } |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 998 | |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 999 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1000 | static _PyInitError |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1001 | calculate_zip_path(PyCalculatePath *calculate, const wchar_t *prefix) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1002 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1003 | _PyInitError err; |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1004 | const size_t zip_path_len = Py_ARRAY_LENGTH(calculate->zip_path); |
| 1005 | if (safe_wcscpy(calculate->zip_path, prefix, zip_path_len) < 0) { |
| 1006 | return PATHLEN_ERR(); |
| 1007 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1008 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1009 | if (calculate->prefix_found > 0) { |
| 1010 | /* Use the reduced prefix returned by Py_GetPrefix() */ |
| 1011 | reduce(calculate->zip_path); |
| 1012 | reduce(calculate->zip_path); |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1013 | } |
| 1014 | else { |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1015 | if (safe_wcscpy(calculate->zip_path, calculate->prefix, zip_path_len) < 0) { |
| 1016 | return PATHLEN_ERR(); |
| 1017 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1018 | } |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1019 | err = joinpath(calculate->zip_path, L"lib/python00.zip", zip_path_len); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1020 | if (_Py_INIT_FAILED(err)) { |
| 1021 | return err; |
| 1022 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1023 | |
| 1024 | /* Replace "00" with version */ |
| 1025 | size_t bufsz = wcslen(calculate->zip_path); |
| 1026 | calculate->zip_path[bufsz - 6] = VERSION[0]; |
| 1027 | calculate->zip_path[bufsz - 5] = VERSION[2]; |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1028 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1029 | } |
| 1030 | |
| 1031 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1032 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1033 | calculate_module_search_path(const _PyCoreConfig *core_config, |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1034 | PyCalculatePath *calculate, |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1035 | const wchar_t *prefix, const wchar_t *exec_prefix, |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 1036 | _PyPathConfig *config) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1037 | { |
| 1038 | /* Calculate size of return buffer */ |
| 1039 | size_t bufsz = 0; |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1040 | if (core_config->module_search_path_env != NULL) { |
| 1041 | bufsz += wcslen(core_config->module_search_path_env) + 1; |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1042 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1043 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1044 | wchar_t *defpath = calculate->pythonpath; |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1045 | size_t prefixsz = wcslen(prefix) + 1; |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1046 | while (1) { |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1047 | wchar_t *delim = wcschr(defpath, DELIM); |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1048 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1049 | if (defpath[0] != SEP) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1050 | /* Paths are relative to prefix */ |
| 1051 | bufsz += prefixsz; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1052 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1053 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1054 | if (delim) { |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1055 | bufsz += delim - defpath + 1; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1056 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1057 | else { |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1058 | bufsz += wcslen(defpath) + 1; |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1059 | break; |
| 1060 | } |
| 1061 | defpath = delim + 1; |
| 1062 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1063 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1064 | bufsz += wcslen(calculate->zip_path) + 1; |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1065 | bufsz += wcslen(exec_prefix) + 1; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1066 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1067 | /* Allocate the buffer */ |
| 1068 | wchar_t *buf = PyMem_RawMalloc(bufsz * sizeof(wchar_t)); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1069 | if (buf == NULL) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1070 | return _Py_INIT_NO_MEMORY(); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1071 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1072 | buf[0] = '\0'; |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1073 | |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1074 | /* Run-time value of $PYTHONPATH goes first */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1075 | if (core_config->module_search_path_env) { |
| 1076 | wcscpy(buf, core_config->module_search_path_env); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1077 | wcscat(buf, delimiter); |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1078 | } |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1079 | |
| 1080 | /* Next is the default zip path */ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1081 | wcscat(buf, calculate->zip_path); |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1082 | wcscat(buf, delimiter); |
| 1083 | |
| 1084 | /* Next goes merge of compile-time $PYTHONPATH with |
| 1085 | * dynamically located prefix. |
| 1086 | */ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1087 | defpath = calculate->pythonpath; |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1088 | while (1) { |
| 1089 | wchar_t *delim = wcschr(defpath, DELIM); |
| 1090 | |
| 1091 | if (defpath[0] != SEP) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1092 | wcscat(buf, prefix); |
| 1093 | if (prefixsz >= 2 && prefix[prefixsz - 2] != SEP && |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1094 | defpath[0] != (delim ? DELIM : L'\0')) |
| 1095 | { |
| 1096 | /* not empty */ |
Serhiy Storchaka | 62e32d6 | 2016-11-11 12:05:01 +0200 | [diff] [blame] | 1097 | wcscat(buf, separator); |
| 1098 | } |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1099 | } |
| 1100 | |
| 1101 | if (delim) { |
| 1102 | size_t len = delim - defpath + 1; |
| 1103 | size_t end = wcslen(buf) + len; |
| 1104 | wcsncat(buf, defpath, len); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1105 | buf[end] = '\0'; |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1106 | } |
| 1107 | else { |
| 1108 | wcscat(buf, defpath); |
| 1109 | break; |
| 1110 | } |
| 1111 | defpath = delim + 1; |
| 1112 | } |
| 1113 | wcscat(buf, delimiter); |
| 1114 | |
| 1115 | /* Finally, on goes the directory for dynamic-load modules */ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1116 | wcscat(buf, exec_prefix); |
Victor Stinner | 72967a4 | 2013-11-16 01:22:04 +0100 | [diff] [blame] | 1117 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1118 | config->module_search_path = buf; |
| 1119 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1120 | } |
Guido van Rossum | 305e5d0 | 1997-04-11 17:18:45 +0000 | [diff] [blame] | 1121 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1122 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1123 | static _PyInitError |
| 1124 | calculate_init(PyCalculatePath *calculate, |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1125 | const _PyCoreConfig *core_config) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1126 | { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1127 | size_t len; |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1128 | const char *path = getenv("PATH"); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1129 | if (path) { |
| 1130 | calculate->path_env = Py_DecodeLocale(path, &len); |
| 1131 | if (!calculate->path_env) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1132 | return DECODE_LOCALE_ERR("PATH environment variable", len); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1133 | } |
Fred Drake | edabdc1 | 2000-07-08 06:16:37 +0000 | [diff] [blame] | 1134 | } |
Victor Stinner | ae4836d | 2010-11-08 23:49:47 +0000 | [diff] [blame] | 1135 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1136 | calculate->pythonpath = Py_DecodeLocale(PYTHONPATH, &len); |
| 1137 | if (!calculate->pythonpath) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1138 | return DECODE_LOCALE_ERR("PYTHONPATH define", len); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1139 | } |
| 1140 | calculate->prefix = Py_DecodeLocale(PREFIX, &len); |
| 1141 | if (!calculate->prefix) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1142 | return DECODE_LOCALE_ERR("PREFIX define", len); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1143 | } |
| 1144 | calculate->exec_prefix = Py_DecodeLocale(EXEC_PREFIX, &len); |
| 1145 | if (!calculate->prefix) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1146 | return DECODE_LOCALE_ERR("EXEC_PREFIX define", len); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1147 | } |
| 1148 | calculate->lib_python = Py_DecodeLocale("lib/python" VERSION, &len); |
| 1149 | if (!calculate->lib_python) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1150 | return DECODE_LOCALE_ERR("EXEC_PREFIX define", len); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1151 | } |
| 1152 | return _Py_INIT_OK(); |
| 1153 | } |
| 1154 | |
| 1155 | |
| 1156 | static void |
| 1157 | calculate_free(PyCalculatePath *calculate) |
| 1158 | { |
| 1159 | PyMem_RawFree(calculate->pythonpath); |
| 1160 | PyMem_RawFree(calculate->prefix); |
| 1161 | PyMem_RawFree(calculate->exec_prefix); |
| 1162 | PyMem_RawFree(calculate->lib_python); |
| 1163 | PyMem_RawFree(calculate->path_env); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1164 | } |
| 1165 | |
| 1166 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1167 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1168 | calculate_path_impl(const _PyCoreConfig *core_config, |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1169 | PyCalculatePath *calculate, _PyPathConfig *config) |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1170 | { |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1171 | _PyInitError err; |
| 1172 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1173 | err = calculate_program_full_path(core_config, calculate, config); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1174 | if (_Py_INIT_FAILED(err)) { |
| 1175 | return err; |
| 1176 | } |
| 1177 | |
Victor Stinner | b64de46 | 2017-12-01 18:27:09 +0100 | [diff] [blame] | 1178 | err = calculate_argv0_path(calculate, config->program_full_path); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1179 | if (_Py_INIT_FAILED(err)) { |
| 1180 | return err; |
| 1181 | } |
| 1182 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1183 | err = calculate_read_pyenv(calculate); |
| 1184 | if (_Py_INIT_FAILED(err)) { |
| 1185 | return err; |
| 1186 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1187 | |
| 1188 | wchar_t prefix[MAXPATHLEN+1]; |
| 1189 | memset(prefix, 0, sizeof(prefix)); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1190 | err = calculate_prefix(core_config, calculate, |
| 1191 | prefix, Py_ARRAY_LENGTH(prefix)); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1192 | if (_Py_INIT_FAILED(err)) { |
| 1193 | return err; |
| 1194 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1195 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1196 | err = calculate_zip_path(calculate, prefix); |
| 1197 | if (_Py_INIT_FAILED(err)) { |
| 1198 | return err; |
| 1199 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1200 | |
| 1201 | wchar_t exec_prefix[MAXPATHLEN+1]; |
| 1202 | memset(exec_prefix, 0, sizeof(exec_prefix)); |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1203 | err = calculate_exec_prefix(core_config, calculate, |
| 1204 | exec_prefix, Py_ARRAY_LENGTH(exec_prefix)); |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1205 | if (_Py_INIT_FAILED(err)) { |
| 1206 | return err; |
| 1207 | } |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1208 | |
Victor Stinner | f04ebe2 | 2017-11-25 00:01:23 +0100 | [diff] [blame] | 1209 | if ((!calculate->prefix_found || !calculate->exec_prefix_found) && |
Victor Stinner | 9ef5dca | 2019-05-16 17:38:16 +0200 | [diff] [blame] | 1210 | core_config->pathconfig_warnings) |
Victor Stinner | f04ebe2 | 2017-11-25 00:01:23 +0100 | [diff] [blame] | 1211 | { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1212 | fprintf(stderr, |
| 1213 | "Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]\n"); |
| 1214 | } |
| 1215 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1216 | err = calculate_module_search_path(core_config, calculate, |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1217 | prefix, exec_prefix, config); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1218 | if (_Py_INIT_FAILED(err)) { |
| 1219 | return err; |
| 1220 | } |
| 1221 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1222 | err = calculate_reduce_prefix(calculate, prefix, Py_ARRAY_LENGTH(prefix)); |
| 1223 | if (_Py_INIT_FAILED(err)) { |
| 1224 | return err; |
| 1225 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1226 | |
| 1227 | config->prefix = _PyMem_RawWcsdup(prefix); |
| 1228 | if (config->prefix == NULL) { |
| 1229 | return _Py_INIT_NO_MEMORY(); |
| 1230 | } |
| 1231 | |
Victor Stinner | faddaed | 2019-03-19 02:58:14 +0100 | [diff] [blame] | 1232 | err = calculate_reduce_exec_prefix(calculate, |
| 1233 | exec_prefix, Py_ARRAY_LENGTH(exec_prefix)); |
| 1234 | if (_Py_INIT_FAILED(err)) { |
| 1235 | return err; |
| 1236 | } |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1237 | |
| 1238 | config->exec_prefix = _PyMem_RawWcsdup(exec_prefix); |
| 1239 | if (config->exec_prefix == NULL) { |
| 1240 | return _Py_INIT_NO_MEMORY(); |
| 1241 | } |
| 1242 | |
| 1243 | return _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1244 | } |
| 1245 | |
| 1246 | |
Serhiy Storchaka | 13badcb | 2017-12-02 21:36:00 +0200 | [diff] [blame] | 1247 | _PyInitError |
Victor Stinner | b1147e4 | 2018-07-21 02:06:16 +0200 | [diff] [blame] | 1248 | _PyPathConfig_Calculate_impl(_PyPathConfig *config, const _PyCoreConfig *core_config) |
Serhiy Storchaka | 13badcb | 2017-12-02 21:36:00 +0200 | [diff] [blame] | 1249 | { |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1250 | _PyInitError err; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1251 | PyCalculatePath calculate; |
| 1252 | memset(&calculate, 0, sizeof(calculate)); |
| 1253 | |
Victor Stinner | 7b14f0c | 2019-03-18 23:54:59 +0100 | [diff] [blame] | 1254 | err = calculate_init(&calculate, core_config); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1255 | if (_Py_INIT_FAILED(err)) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1256 | goto done; |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1257 | } |
| 1258 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1259 | err = calculate_path_impl(core_config, &calculate, config); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1260 | if (_Py_INIT_FAILED(err)) { |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1261 | goto done; |
| 1262 | } |
| 1263 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1264 | err = _Py_INIT_OK(); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1265 | |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1266 | done: |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 1267 | calculate_free(&calculate); |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 1268 | return err; |
| 1269 | } |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1270 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1271 | #ifdef __cplusplus |
| 1272 | } |
| 1273 | #endif |